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Finding the Fourth Proportional to 295,795.60, 408,281.68 and 174,978.90

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Solution

The fourth proportional to 295,795.60, 408,281.68 and 174,978.90 is: 241,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,795.60 : 408,281.68 = 174,978.90 : x
  2. Step 2: Convert to fraction form
    295,795.60/408,281.68 = 174,978.90/x
  3. Step 3: Cross multiply
    295,795.60x = 408,281.68 × 174,978.90
  4. Step 4: Simplify right side
    295,795.60x = 71,440,679,256.55
  5. Step 5: Solve for x
    x = 71,440,679,256.55/295,795.60
  6. Step 6: Final answer
    x = 241,520.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.